【摘要】 目的 探討實(shí)時(shí)三維超聲心動(dòng)圖在卵圓孔未閉封堵中的應(yīng)用效果及臨床意義。方法 選擇2018年5月至2020年3月武漢科技大學(xué)附屬武漢亞心總醫(yī)院收治的卵圓孔未閉患者83例,患者均擬行封堵術(shù)治療,術(shù)前、術(shù)中及術(shù)后分別行經(jīng)胸超聲心動(dòng)圖檢查和實(shí)時(shí)三維超聲心動(dòng)圖檢查,并將兩種方法檢查結(jié)果進(jìn)行比較;繪制受試者工作特征曲線(ROC曲線),分析實(shí)時(shí)三維超聲心動(dòng)圖在卵圓孔未閉封堵患者中的應(yīng)用價(jià)值。結(jié)果 經(jīng)胸超聲心動(dòng)圖檢查確診74例,診斷符合率為89.16%;實(shí)時(shí)三維超聲心動(dòng)圖檢查確診80例,診斷符合率為96.39%。經(jīng)胸超聲心動(dòng)圖檢查與實(shí)時(shí)三維超聲心動(dòng)圖檢查卵圓孔未閉不同類型比較,差異無(wú)統(tǒng)計(jì)學(xué)意義(Pgt;0.05);術(shù)后患者復(fù)查實(shí)時(shí)三維超聲心動(dòng)圖,結(jié)果顯示:封堵器位置正確,塑形良好封堵器與房間隔貼合緊密,未見殘余分流。ROC曲線結(jié)果表明:實(shí)時(shí)三維超聲心動(dòng)圖在卵圓孔未閉封堵患者ROC曲線下面積為0.857,診斷靈敏度為0.835,特異度為0.681。結(jié)論 實(shí)時(shí)三維超聲心動(dòng)圖用于卵圓孔未閉封堵患者中能提供大量的信息,在術(shù)前病例篩選、術(shù)中引導(dǎo)及術(shù)后隨訪中具有重要意義,能獲得良好的應(yīng)用靈敏度,可為臨床診療提供參考依據(jù),值得推廣應(yīng)用。
【關(guān)鍵詞】 卵圓孔,未閉;超聲心動(dòng)描記術(shù),三維;卵圓孔未閉封堵;診斷
【中圖分類號(hào)】 R 541.1 【文獻(xiàn)標(biāo)識(shí)碼】 A
Application and Clinical Significance of Real-time Three-dimensional Echocardiography in Patent Foramen Ovale Occlusion LI Jing,MA Xiaojing*,YU Xi,SHEN Mian,CHENG Guan
Wuhan Yaxin General Hospital Affiliated to Wuhan University of Science and Technology,Wuhan 430070,China
*Corresponding author:MA Xiaojing,Chief physician;E-mail:cyiy9988@163.com
【Abstract】 Objective To investigate the effect and clinical significance of real-time three-dimensional echocardiography in the occlusion of patent foramen ovale. Methods A total of 83 patients with patent foramen ovale from May 2018 to March 2020 were selected as the subjects. All patients were planned to undergo occlusion. Transthoracic echocardiography and real-time three-dimensional echocardiography were performed preoperatively,intraoperatively and postoperatively,respectively,and the monitoring results of the two methods were compared. The ROC curve was drawn to analyze the application value of real-time three-dimensional echocardiography in patent foramen ovale occlusion patients. Results 83 cases of patent foramen ovale were confirmed by clinical examination,among which 74 cases were confirmed by chest echocardiography,the diagnostic coincidence rate was 89.16%(Plt;0.05). 80 cases were confirmed by real-time three-dimensional echocardiography,and the diagnostic coincidence rate was 96.39%. There was no statistical significance between transthoracic echocardiography and real-time three-dimensional echocardiography for patent foramen ovale(Pgt;0.05). The real-time three-dimensional echocardiography of the patient was reexamined after the operation,and the results showed that the occlusion device was in correct position,the occlusion device was well shaped and fitted closely to the atrial septum,and no residual shunt was observed. The results of ROC curve showed that the AUC value of the real-time three-dimensional echocardiography in the patent foramen ovale occlusion patients was 0.857,the diagnostic sensitivity was 0.835%,and the specificity was 0.681%. Conclusion Real-time three-dimensional echocardiography can provide a lot of information for patent foramen ovale occlusion patients,and it is of great significance in preoperative case screening,intraoperative guidance and postoperative follow-up. It can obtain good application sensitivity and provide reference for clinical diagnosis and treatment,which is worthy of popularization and application.
【Key words】 Foramen ovale,patent;Echocardiography,three-dimensional;Patent foramen ovale closure;Diagnosis
卵圓孔一般在出生后第1年閉合,對(duì)于大于3歲的幼兒卵圓孔仍不閉合稱為卵圓孔未閉[1]。數(shù)據(jù)調(diào)查結(jié)果表明,成年人中有20.0%~25.0%的卵圓孔不完全閉合,屬于臨床較為常見的先天性心臟異常[2]。國(guó)內(nèi)學(xué)者研究表明,卵圓孔未閉一般不引起兩心房間分流,對(duì)心臟的血流動(dòng)力學(xué)亦無(wú)影響,與不明原因腦卒中有關(guān),影響患者健康生活[3]。目前,臨床上對(duì)于卵圓孔未閉以藥物治療和介入封堵治療為主,藥物治療雖然能改善患者癥狀,但是藥物治療周期相對(duì)較長(zhǎng),長(zhǎng)期用藥不良反應(yīng)發(fā)生率較高[4]。因此,介入封堵術(shù)是卵圓孔未閉患者常用方法,具有迅速、有效、簡(jiǎn)單及徹底的優(yōu)點(diǎn)。實(shí)時(shí)三維超聲心動(dòng)圖是卵圓孔未閉封堵術(shù)患者常用的術(shù)前診斷及引導(dǎo)方法,能實(shí)現(xiàn)正常的解剖結(jié)構(gòu)及多種疾病的臨床診斷,提供準(zhǔn)確的三維形態(tài)、空間位置信息,指導(dǎo)卵圓孔未閉封堵術(shù)治療[5]。因此,本研究以卵圓孔未閉患者為對(duì)象,探討實(shí)時(shí)三維超聲心動(dòng)圖在卵圓孔未閉封堵中的應(yīng)用效果及臨床意義,現(xiàn)報(bào)道如下。
1 資料與方法
1.1 一般資料 選擇2018年5月至2020年3月武漢科技大學(xué)附屬武漢亞心總醫(yī)院收治的卵圓孔未閉患者83例,男45例,女38例;年齡14~54歲,平均(47.5±5.4)歲;體質(zhì)量57~72 kg,平均(61.5±4.3)kg。納入標(biāo)準(zhǔn):(1)符合卵圓孔未閉診斷標(biāo)準(zhǔn),均因未知原因發(fā)生腦卒中、偏頭痛及胸悶;(2)均擬行封堵術(shù)治療,且患者均可耐受;(3)具有完整的基線資料與隨訪資料;(4)均擬行實(shí)時(shí)三維超聲心動(dòng)圖檢查,具有良好的適應(yīng)證。排除標(biāo)準(zhǔn):(1)合并精神異常、凝血功能異常或器質(zhì)性疾病者;(2)左心房壓力升高,可能影響超聲心動(dòng)圖檢查;(3)認(rèn)知功能異常、伴有自身免疫系統(tǒng)疾病者。
1.2 診斷標(biāo)準(zhǔn) 患者均符合卵圓孔未閉診斷標(biāo)準(zhǔn),卵圓孔瓣與繼發(fā)隔之間出現(xiàn)裂隙;彩色多普勒血管顯像(CDFI)顯示卵圓孔瓣與繼發(fā)隔之間出現(xiàn)細(xì)小的房水分流束,且分流束起源于卵圓孔瓣與繼發(fā)隔交界的邊緣部位。卵圓孔未閉分型:I型:卵圓孔長(zhǎng)度短(lt;8 mm)、無(wú)房間隔膨出瘤或明顯的腔靜脈瓣,無(wú)肥厚的繼發(fā)間隔及未見其他卵圓窩缺損;II型為卵圓孔未閉合,房間隔膨出瘤,原發(fā)間隔位移gt;10 mm;III型為卵圓孔長(zhǎng)度≥8 mm;IV型為卵圓孔寬gt;4 mm[6-7]。
1.3 方法 患者均擬行封堵術(shù)治療,術(shù)前、術(shù)中及術(shù)后分別行經(jīng)胸超聲心動(dòng)圖檢查和實(shí)時(shí)三維超聲心動(dòng)圖檢查,具體方法如下。采用Philips iE33彩色多普勒超聲診斷儀對(duì)患者進(jìn)行檢查,分別選擇X7-2t、S5-1探頭完成術(shù)前、術(shù)中及術(shù)后經(jīng)胸超聲心動(dòng)圖檢查和實(shí)時(shí)三維超聲心動(dòng)圖圖像的采集,探頭頻率分別為2~7、1~5 MHz[8]。
1.3.1 經(jīng)胸超聲心動(dòng)圖檢查 患者取左側(cè)臥位與右側(cè)臥位姿勢(shì),采用經(jīng)胸超聲心動(dòng)圖檢查完成常規(guī)切面心臟掃描,重點(diǎn)觀察胸骨旁四腔心切面、大動(dòng)脈短軸切面、劍下雙心房上下腔切面檢查,準(zhǔn)確測(cè)量原發(fā)隔與繼發(fā)隔之間斜行細(xì)小回聲缺失寬度,借助彩色多普勒觀察分流方向、血流束寬度[9]。
1.3.2 實(shí)時(shí)三維超聲心動(dòng)圖檢查 將實(shí)時(shí)三維超聲心動(dòng)圖探頭插入食管中段,選擇雙心房水平切面,超聲下進(jìn)一步觀察卵圓孔瓣的水平結(jié)構(gòu),調(diào)整探頭為90°~110°,清晰的顯示上下腔靜脈入口切面,觀察卵圓孔瓣的縱向結(jié)構(gòu),確定卵圓孔瓣與繼發(fā)隔之間是否存在裂隙。上述操作完畢后借助CDFI確定是否存在心房水平穿隔分流信號(hào),在0°~180°順時(shí)針?lè)较蜻M(jìn)行掃查,獲得較為完整的房間隔,確定是否存在房間隔缺失回聲,對(duì)于存在缺失患者進(jìn)一步確定缺失的大小,并借助CDFI獲得房水平穿隔血流束。上述操作完畢后,進(jìn)一步探查食管中段主動(dòng)脈短軸切面、食管中段雙心房切面,觀察卵圓孔的大小、形態(tài)及分流方向。封堵術(shù)中動(dòng)態(tài)監(jiān)測(cè)封堵器的位置、形態(tài)與周圍組織和血管的關(guān)系。患者術(shù)前均行三維超聲篩查,確定卵圓孔的大小、形態(tài)及分流情況;術(shù)中行經(jīng)胸超聲心動(dòng)圖檢查和實(shí)時(shí)三維超聲心動(dòng)圖檢查,確定封堵器的型號(hào),放置封堵器封堵卵圓孔,并實(shí)時(shí)監(jiān)測(cè)封堵器的形態(tài)、位置及封堵效果;將兩種方法檢查結(jié)果進(jìn)行比較[10]。
1.4 統(tǒng)計(jì)學(xué)方法 采用SPSS 18.0軟件進(jìn)行數(shù)據(jù)處理,計(jì)數(shù)資料以相對(duì)數(shù)表示,組間比較采用χ2檢驗(yàn);計(jì)量資料以(±s)表示,組間比較采用t檢驗(yàn);繪制實(shí)時(shí)三維超聲心動(dòng)圖在卵圓孔未閉封堵患者中應(yīng)用價(jià)值的受試者工作特征曲線(ROC曲線),計(jì)算靈敏度、特異度。以Plt;0.05為差異有統(tǒng)計(jì)學(xué)意義。
2 結(jié)果
2.1 兩種超聲在卵圓孔未閉中的檢查效果比較 經(jīng)胸超聲心動(dòng)圖檢查確診74例,診斷符合率為89.16%;實(shí)時(shí)三維超聲心動(dòng)圖檢查確診80例,診斷符合率為96.39%,見圖1。
2.2 不同超聲檢查方法卵圓孔未閉類型比較 經(jīng)胸超聲心動(dòng)圖檢查與實(shí)時(shí)三維超聲心動(dòng)圖檢查卵圓孔未閉不同類型比較,差異無(wú)統(tǒng)計(jì)學(xué)意義(Pgt;0.05),見表1。
2.3 實(shí)時(shí)三維超聲心動(dòng)圖在卵圓孔未閉封堵患者中的應(yīng)用價(jià)值 術(shù)后患者復(fù)查實(shí)時(shí)三維超聲心動(dòng)圖,結(jié)果顯示:封堵器位置正確,塑形良好封堵器與房間隔貼合緊密,未見殘余分流。ROC曲線結(jié)果表明:實(shí)時(shí)三維超聲心動(dòng)圖在卵圓孔未閉封堵患者ROC曲線下面積為0.857,診斷靈敏度為0.835,特異度為0.681,見圖2。
3 討論
卵圓孔未閉在臨床發(fā)病率較高,原因?yàn)槌錾笤l(fā)隔與繼發(fā)隔未能正常自然粘連融合,在二者之間殘存的裂隙樣異常通道,是形成矛盾性栓塞的重要原因。超聲心動(dòng)圖是卵圓孔未閉患者主要的診斷方法,卵圓孔未閉患者發(fā)生不明原因腦缺血發(fā)生率高于無(wú)卵圓孔閉合患者[11]。數(shù)據(jù)調(diào)查結(jié)果表明,對(duì)于年齡lt;55歲的腦卒中患者,卵圓孔未閉發(fā)生率較有明確原因腦卒中患者高6倍[8]。但是,卵圓孔未閉不僅能引起反常栓塞,亦可增加心肌梗死發(fā)生率,影響患者健康生活。
目前,臨床上對(duì)于卵圓孔未閉以藥物治療與封堵器治療為主。但是,藥物治療周期較長(zhǎng),患者治療預(yù)后較差,并發(fā)癥發(fā)生率較高,難以獲得遠(yuǎn)期效果[12]。本研究中83例卵圓孔未閉患者經(jīng)臨床檢查最終確診,其中經(jīng)胸超聲心動(dòng)圖檢查確診74例,診斷符合率為89.16%;實(shí)時(shí)三維超聲心動(dòng)圖檢查確診80例,診斷符合率為96.39%,提示卵圓孔未閉患者采用封堵器接入治療時(shí)選擇實(shí)時(shí)三維超聲心動(dòng)圖檢查能獲得較高的符合率,能為臨床診療提供參考依據(jù)。實(shí)時(shí)三維超聲心動(dòng)圖檢查屬于是一種微創(chuàng)檢查方法,對(duì)卵圓孔測(cè)量更加準(zhǔn)確,能提供三維圖像可準(zhǔn)確地判斷房間隔結(jié)構(gòu),了解是否合并膨出瘤,繼發(fā)隔的厚度、卵圓孔的長(zhǎng)度、寬度、下腔靜脈的長(zhǎng)度[13]。本研究中,經(jīng)胸超聲心動(dòng)圖檢查與實(shí)時(shí)三維超聲心動(dòng)圖檢查卵圓孔未閉不同類型比較差異無(wú)統(tǒng)計(jì)意義(Pgt;0.05),提示經(jīng)胸超聲心動(dòng)圖檢查與實(shí)時(shí)三維超聲心動(dòng)圖檢查能實(shí)現(xiàn)卵圓孔未閉類型的鑒別與區(qū)分,且未見明顯差異,均能較為準(zhǔn)確的指導(dǎo)封堵治療。同時(shí),實(shí)時(shí)三維超聲心動(dòng)圖檢查能更加清晰的顯示卵圓孔未閉的大小、分流及大小,從而獲得更加準(zhǔn)確、清晰的圖像,實(shí)現(xiàn)患者治療的個(gè)性化,能為患者封堵器的選擇提供參考依據(jù)[14]。此外,實(shí)時(shí)三維超聲心動(dòng)圖亦可用于術(shù)后評(píng)估,能對(duì)可能的并發(fā)癥進(jìn)行預(yù)防。本研究術(shù)后患者復(fù)查實(shí)時(shí)三維超聲心動(dòng)圖,結(jié)果顯示:封堵器位置正確,塑形良好封堵器與房間隔貼合緊密,未見殘余分流。ROC曲線結(jié)果表明:實(shí)時(shí)三維超聲心動(dòng)圖診斷卵圓孔未閉封堵患者的ROC曲線下面積為0.857,診斷靈敏度為0.835,特異度為0.681。因此,臨床上對(duì)于確診的卵圓孔未閉患者應(yīng)加強(qiáng)實(shí)時(shí)三維超聲心動(dòng)圖檢查,術(shù)中加強(qiáng)患者卵圓孔實(shí)施監(jiān)測(cè)及術(shù)后評(píng)估,提高手術(shù)成功率,促進(jìn)患者早期恢復(fù)。
綜上所述,實(shí)時(shí)三維超聲心動(dòng)圖用于卵圓孔未閉封堵患者中能提供大量的信息,在術(shù)前病例篩選、術(shù)中引導(dǎo)及術(shù)后隨訪中具有重要意義,能獲得良好的應(yīng)用靈敏度,為臨床診療提供參考依據(jù),值得推廣應(yīng)用。
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(本文編輯:崔莎)